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Symbol Tables

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// Declare an external function extern double bar(double x); // Define a public function double foo(int count) { double sum = 0.0; // Sum all the values bar(1) to bar(count) for (int i = 1; i <= count; i++) sum += bar((double) i); return sum; } // Symbol Table: // Symbol name|Type|Scope // bar|function, double|extern // x|double|function parameter // foo|function, double|global // count|int|function parameter // sum|double|block local // i|int|for-loop statement
Example from Python, Cython:
# https://eli.thegreenplace.net/2010/09/18/python-internals-symbol-tables-part-1
Example from Racket:
;; Some programming languages allow the symbol table to be manipulated at run-time, so that symbols can be added at any time.

Languages with Symbol Tables include C, Python, C++, Objective-C, Racket, Cython, Tick C, cooC, Real-Time Concurrent C

Read more about Symbol Tables on the web: 1.

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